MATHEMATICS MIDDLE SCHOOL

Round to the nearest whole number 8.36

Answers

Answer 1
Answer:

we know that

To Round a number

a) Decide which is the last digit to keep

b) Leave it the same if the next digit is less than 5 (this is called rounding down)

c) But increase it by  1 if the next digit is  5 or more (this is called rounding up)

In this problem we have

8.36

We want to keep the digit 8

The next digit is 3 which is less than 5, so no change is needed to 8

therefore

the answer is

8
Answer 2
Answer: The answer is 8, because 3 is less than 5 and we are rounding it to the nearest whole number. 

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What is 14 49ths in simplest form

Answers

The answer would be 2/7. This is because you find a Greatest Common Factor, also known as a GCF. In this problem the Greatest Common Factor would be seven because it is the largest number that goes into both 14 and 49. Once you find the GCF (7) you would divide both numbers by that (7) to get them into simplest form. In this problem you would take your GCF (7) and divide both numbers (14 and 47) by your GCF (7) and you would get an answer of 2/7. (2 7ths)
The simplest firm is 2/7

Help pleaseWhich equations in point-slope form are equations of the line that passes through the point (−7, 5) and (−4, 1)?

Choose exactly two answers that are correct.

A.y-7= -3/4(x+5)


B.y-5= -4/3(x+7)


C.y+4= -3/4(x+1)


D.y-1= -4/3(x+4)

Answers

General\ equation\ for\ line\ in\ slope\ intercept\ form:\n\ny=ax+b\n\nTo\ find\ a\ and\ b\ substitude\ points\ (-7,5)\ (-4,1)\ into\ equation\n\n \left \{ {{5=-7a+b}\ \ \ \ \atop {1=-4a+b\ |*-1}} \right.\n\n \left \{ {{5=-7a+b}\ \ \ \ \atop {-1=4a-b}} \right.\n\n+----\n\nAddition\ method\n\n4=-3a\ \ |:(-3)\n\na=-(4)/(3)\n\nb=5+7a=5+7*(-(4)/(3))=5-(28)/(3)=-4(1)/(3)\n\Answer\ y=-(4)/(3)x-4(1)/(3)\n\nChecking\ solution:\ny-5=-(4)/(3)(x+7)y-5=-(4)/(3)x-(28)/(3)\n\ny=-(4)/(3)x-(28)/(3)+5\n\ny=-(4)/(3)x-4(1)/(3)\n\nAnswer:B \ and\ D.
an easy way to do it is subtituet (-7,5) and (-4,1) into the equations and find out which ones check. remember (x,y)

so A
if we try (-7,5)
5-7=-3/4(-7+5)
we can immediately see that -2 is not equal to -3/4(-2)
so A is wrong


B
if we try (-7,5)
5-5=-4/3(-7+7)
0=-4/3(0)
0=0
so B is correct

C
if we try (-7,5)
5+4=-3/4(-7+1)
9=-3/4(-6)
9 is not equal to 18/4
so C is wrong

D
if we try (-7,5)
5-1=-4/3(-7+4)
4=-4/3(-3)
4=12/3
4=4
D is correct

If you wanted to try the second point (-4,1) in B and D
B
1-5=-4/3(-4+7)
-4=-4/3(3)
-4=-12/3
4=4
B is still correct

D
1-1=-4/3(-4+4)
0=-4/3(0)
0=0
D is still correct

so the answers are B and D

what is the experimental probability of rolling a 2 what is the theoretical probability of rolling a 2

Answers

Theoretical: 1/6 experimental: 39/160

Recipe for cookies calls for 3 1/4 cups of sugar Amy has already put three and one nights cup how many more cups so she need to put in

Answers

Answer:

So she need (5)/(36)\ cups more to put in.

Step-by-step explanation:

Given:

Recipe for cookies calls for 3 1/4 cups of sugar.

Amy has already put three and one nine cups.

Now, to find the number of cups she need to put in.

Number of cups of sugar for recipe calls = 3(1)/(4) =(13)/(4)\ cups.

Amy has already put = 3(1)/(9) =(28)/(9)\ cups.

So, to get the number of cups she need to put in we subtract number of cups of sugar for recipe calls from number of cups of sugar for recipe calls:

(13)/(4) -(28)/(9)

Subtracting by taking the same denominator:

=(117-112)/(36)

=(5)/(36)

Therefore, so she need (5)/(36)\ cups more to put in.

Petra is asked to color 6/6 of her grid. she must use 3 colors; blue read and pink. there must be more blue sections than red sections or pink sections. What are the different way Petra can color the sections of her grid and follow the rules

Answers

1. 3 blues, 2 red, 1 pink.
2. 3 blues, 2 pink, 2 red.
3. 4 blues, 1 red, 1 pink.

3. (4 + 5) is how much more than 3•4 + 5 ?

Answers

(4 + 5) is greater than 3·4 + 5 by 8.

Step-by-step explanation:

  • Step 1: Value of (4 + 5) = 9
  • Step 2: Value of 3·4 + 5 = 12 + 5 = 17 (as per BODMAS rule)
  • Step 3: Find the difference between the two.

⇒ 17 - 9 = 8
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